Cuyahoga County Prosecutor Timothy J. McGinty speaks during a press conference in Cleveland, Ohio. Ariel Castro was arraigned on rape and kidnapping charges for abducting Michelle Knight, Amanda Berry and Gina DeJesus and holding them for about 10 years.

Cuyahoga County Prosecutor Timothy J. McGinty speaks during a press conference in Cleveland, Ohio. Ariel Castro was arraigned on rape and kidnapping charges for abducting Michelle Knight, Amanda Berry and Gina DeJesus and holding them for about 10 years. (Matt Sullivan, Getty Images)

Ariel Castro pleaded guilty to the kidnapping, sexual assault and physical abuse of Amanda Berry, who went missing in 2003; Gina DeJesus, who went missing in 2004, and Michele Knight, who went missing in 2002.